27680440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 65253600

約数和(自身を除く): 37573160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 118, 148, 185, 236, 295, 296, 317, 370, 472, 590, 634, 740, 1180, 1268, 1480, 1585, 2183, 2360, 2536, 3170, 4366, 6340, 8732, 10915, 11729, 12680, 17464, 18703, 21830, 23458, 37406, 43660, 46916, 58645, 74812, 87320, 93515, 93832, 117290, 149624, 187030, 234580, 374060, 469160, 692011, 748120, 1384022, 2768044, 3460055, 5536088, 6920110, 13840220, 27680440]

約数ペア:

[(1, 27680440), (2, 13840220), (4, 6920110), (5, 5536088), (8, 3460055), (10, 2768044), (20, 1384022), (37, 748120), (40, 692011), (59, 469160), (74, 374060), (118, 234580), (148, 187030), (185, 149624), (236, 117290), (295, 93832), (296, 93515), (317, 87320), (370, 74812), (472, 58645), (590, 46916), (634, 43660), (740, 37406), (1180, 23458), (1268, 21830), (1480, 18703), (1585, 17464), (2183, 12680), (2360, 11729), (2536, 10915), (3170, 8732), (4366, 6340)]